Skip to main content

Class 9 Science - Is Matter around us Pure?

Class 9 Science - Is Matter around us Pure? 

Takshila Learning provides you comprehensive notes and subject material for Class 9th that helps you to prepare for your exams. In the previous article, we have discussed the pure substances and classification of matter. Here, we will discuss the elements from Class 9 Science in details.

A metal is an element that is malleable and ductile and conducts electricity. Eg:-Zinc, chromium, sodium, potassium etc. All the metals are solid except one which is liquid Mercury.
Properties of metal
  • Metals are Malleable– It means that metal can be beaten into thin sheets with a Some of the best malleable metals are Gold and Silver. Aluminum and copper metals are also highly malleable metals. Aluminum foils are used for packing food items like biscuits, medicines, etc.
  • Metals are ductile- It means metals can be drawn into thin wires. All the metals are not equally ductile. Some are more ductile than others. All metal wire can be about 200 m long.
  • Metals are good conductors of heat and electricity- This means, metals can allow heat and electricity to pass through them. They are generally good conductors of heat. Silver is the best conductor of heat.
  • Metals are lustrous and can be Polished- Metals are usually shiny and can be polished if required.the property of metal of having a shining surface is called metallic luster.
  • Metals are generally hard- Most of the metals are hard but all metals are equally hard. The hardness varies from metal to metal. They cannot be cut with a knife.
  • Metals are usually strong, they have high tensile strength- This means metals can hold large weights without breaking. Most of the metals are strong some metals are not strong.
Continue ..... 
 NCERT solutions for Class 9 are available, visit www.takshilalearning.com . It will enable you to review the complete subject matter for 9 Class designed by the experts.

Call us : 8800999280/8800999284 

Labels:

Comments

Post a Comment

Thank you we will contact ASAP.

Popular posts from this blog

Lessons-Worksheets-Question Papers-CBSE Class 2 English

Lessons-Worksheets-Question Papers-CBSE Class 2 English CBSE 2nd Class English – One and Many  In this blog, we share the spelling rules used in the concept of  One  and Many. When there is only one of a naming word (noun), it is said to be a  singular noun . When a noun shows more than one, it is said to be in the  plural . We can add  –S, -es, -ves or ies  to show that there is more than one noun.  For example,  we say many birds, four biscuits, six brushes. But for the students of  Class 2 , it’s very difficult and confusing to understand where to use  s , es, ves or ies  in the form of many. Don’t worry, it looks difficult, but it is very easy as in grammar each concept has a set of rules that need to practice. Noun ending with  –s, -x, -o, -sh, -ch, and –ss  form plurals by taking  –es. Look at these pairs of words: Bus – Buses Brush – Brushes Continue ..... Click here ...
Post a Comment
Read more

Class 3 English Practice Grammar Worksheet -The Adverb

 Class 3 English Practice Grammar Worksheet -The Adverb Class 3 English – The Adverb – Kinds of Adverb Fill in the blanks with suitable Adverbs of place. Choose from the box.  Up               outside                       everywhere                 back                down      away          here                           there                     ...
Post a Comment
Read more

Bhakti Movement NCERT Class 12 History

Bhakti Movement NCERT Class 12 History The Bhakti movement was an effort to achieve salvation and emancipation by devotion to God. In Hindi, the word bhakti refers to fervent devotion to God. This movement, which stressed a single-minded, ardent devotion to God, is seen as the most characteristic act of religious progress during the Middle Ages. In the 12th and 13th centuries, Kabir Das was a key figure in the Bhakti Movement. As a result of the movement, Kabir Das' poems and religious writings attained widespread fame. Kabir Das was raised up by a Muslim family. However, his religious beliefs were influenced by his Hindu teacher Ramananda, who regarded Rama as the highest God. The first Sikh guru and the founder of Sikhism was Guru Nanak. He vehemently opposed prejudice based on customs, rivalry, and caste in religion. Nanak was raised in a Hindu household and from an early age began to exhibit spiritual tendencies. He helped the indigent and underprivileged. His followers began r...
Post a Comment
Read more